Thank you for explaining well regards, Bilal ---------------------------------------- > From: henrik@xxxxxxxxxxxxxxxxxxx > To: gigoz@xxxxxxx > CC: squid-users@xxxxxxxxxxxxxxx > Date: Fri, 21 May 2010 09:53:06 +0200 > Subject: Re: Memory Considerations when you are running multiple instances of squid on the same server. > > fre 2010-05-21 klockan 06:38 +0000 skrev GIGO .: > >> can it be said as a generalization that one can allocate/fix 1/4 of >> physical ram for cache mem objects. Will it holds true even when you >> are running multiple instances??? > > I would not generalize a rule like that. It is a reasonable > recommendation when sizing the system, but also depends on how your > Squid is being used. A reverse proxy benefits much more from cache_mem > than a normal forward proxy, and in a forward proxy you may want to give > priority to on-disk cache instead. > > memory usage per Squid = cache size (in GB) * 10 MB + cache_mem + 10MB. > > memory usage by OS: Leave at least 25%. In smaller configurations up to > 50%. > > system memory requirement = sum(squid instances) + system memory = > sum(squid instances) / 0.75. > > > If you inverse the above calculation then you'll notice that cache size > is a function of cache_mem. If one is increased then the other need to > be decreased. > > Note: if you also log in on the sever using graphical desktop (not > recommended) then reserve about 1GB for that. > >> please guide that how memory handling will be occuring in multiple >> instances setup???cache_mem will influencing per instance and not the >> program as whole. right? > > Right. > > Regards > Henrik > _________________________________________________________________ Hotmail: Powerful Free email with security by Microsoft. https://signup.live.com/signup.aspx?id=60969
